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Speed of sound

en.wikipedia.org/wiki/Speed_of_sound

The speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. In dry air at 20 °C (68 °F), the speed of sound is 343.2 metres per second ...

www.ask.com/youtube?q=What Is the Speed of Sound in Miles Per Hour&v=llZwBVSTleI
Aug 14, 2012 ... (speed of sound - 1235km/hr) (speed of rifle bullet- 2,600km/hr) ... Having said that if we could go from NY to London in an hour, people would ...

Convert mach (speed of sound) to miles per hour - speed converter

www.unitjuggler.com/convert-speed-from-Ma-to-mph.html

Convert speed units. Easily convert mach (speed of sound) to miles per hour, convert Ma to mph . Many other converters available for free.

What Is the Speed of Sound | Mach 1 - Live Science

www.livescience.com/37022-speed-of-sound-mach-1.html

May 31, 2013 ... On Earth, the speed of sound at sea level — assuming an air temperature of 59 degrees Fahrenheit (15 degrees Celsius) — is 761.2 mph ...

Officials say skydiver broke the speed of sound - CBS News

www.cbsnews.com/news/officials-say-skydiver-broke-the-speed-of-sound/

Oct 14, 2012 ... Highest-ever skydive (24 miles up) made Felix Baumgartner first to break sound barrier, officials say; Max speed about 834 mph.

Speed of Sound - NASA

www.grc.nasa.gov/www/k-12/airplane/sound.html

Air is a gas, and a very important property of any gas is the speed of sound ... level static conditions, the speed of sound is about 761 mph, or 1100 feet/second.

Miles Per Hour to Speed Of Sound In Air | Kyle's Converter

www.kylesconverter.com/speed-or-velocity/miles-per-hour-to-speed-of-sound-in-air

Instantly Convert Miles Per Hour (mph) to Speed Of Sound In Air (s) and Many More Speed Or Velocity Conversions Online. Miles Per Hour Conversion Charts.

What Is the Speed of Sound? | WIRED

www.wired.com/2012/10/what-is-the-speed-of-sound/

Oct 17, 2012 ... My physics textbook says this is the speed of sound, so there. Well, not ... Although 340 m/s (760 mph) is a good first answer, it isn't always true.

Hypersonic plane to fly at 20 times speed of sound

www.smh.com.au/technology/sci-tech/hypersonic-plane-to-fly-at-20-times-speed-of-sound-20120717-227l9.html

Jul 17, 2012 ... Hypersonic plane to fly at 20 times speed of sound ... Within four years we'll be able to travel anywhere on earth in an under an hour. ... The X-plane will travel at Mach 20 (roughly 20,900 km/h), which means it could fly to any ...

How Fast is Mach 1 - Universe Today

www.universetoday.com/77077/how-fast-is-mach-1/

Oct 31, 2010 ... On Earth the speed of sound is 334 m/s or around 750 miles per hour. Subsonic craft are the exception as they cover just about every air craft ...

Answer
The speed of sound varies depending on the temperature, pressure, and density of the medium through which the sound waves travel. For dry air at sea level at 68° F, the speed of sound is 767 miles per hour, or 1235 km/h
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Speed of Sound at different altitudes (km/h, mph, knots)

www.fighter-planes.com

Speed of Sound (mach) at altitudes depends on temperature not air pressure.

How fast does sound travel? - Indiana University Bloomington

www.indiana.edu

The speed at which sound propagates (or travels from its source) is directly ... meters per second or 186,000 miles per second (669,600,000 mph), which is ...

What is the speed of sound in miles per hour? - Quora

www.quora.com

The speed of sound does not travel. You have failed to think out what answer you wanted, and therefore you have failed to provide a meaningful question. Ask ...